1: (0 2 5)

(0)(1 8 6)(2 20 5 12 3 17 4)(7 18 15 11 9)(10 14 13)(16 21 19)

2: (3 5 12)

(0)(1 8 6)(2 20 5 17 4)(3)(7 18 15 11 9)(10 14 13)(12)(16 21 19)

3: (5 17 20)

(0)(1 8 6)(2 20 4)(3)(5)(7 18 15 11 9)(10 14 13)(12)(16 21 19)(17)

4: (16 21 19)

(0)(1 8 6)(2 20 4)(3)(5)(7 18 15 11 9)(10 14 13)(12)(16)(17)(19)(21)